Jeongkyu Sakong

757-***-**** E: adzjcm@r.postjobfree.com

Virginia Beach, VA 23453

PROFESSIONAL

SUMMARY

Full-Stack Developer with +18 years hands on experience in full project development life cycle includes analysis, design, development, testing, and maintenance to build enterprise applications.

SKILLS

• Agile/Scrum, TDD, Waterfall

• Core Java, Design Patterns

• JSP, Servlets, EJB, JDBC, Struts,

Spring (Core, MVC, DAO, AOP,

Security, Batch, Boot)

• REST, SOAP, WSDL, JAX-RPC,

JAX-RS, JAX-WS, REST API

• HTML, DHTML, XML, JavaScript,

jQuery, Ajax, Bootstrap, NodeJS,

React, Vue.js, exBuilder, GAUS

• MyBatis, iBatis, Hibernate

• OAuth2, JWT

• JMS, JBossMQ, Apache Kafka

• JUnit, Integrated Test Cases

• CVS, SVN, Git

• Ant, Maven, Gradle, Jenkins

• AWS, Docker, Kubernates

• Linux, Unix, Solaris, MS Windows

• Apache, IIS, Nginx,

• Tomcat, JBoss, Web Logic,

WebSphere, Borland, JEUS,

Interstage, Jetty

• Oracle, DB2, MSSQL, MySQL

• Eclipse, IntelliJ, VS Code, MyEclipse,

NetBeans, JBuilder

WORK HISTORY

GROCERY DATA ADMINISTRATOR 06/2023 to 07/2023

J&J International Foods, Inc. Virginia Beach, VA

• Analyzed existing systems and workflows and recommended enhancements to solve business needs.

• Offered a document for enhancing centralization of managing workflows and WMS buildup.

PRICIPAL JAVA FULL-STACK DEVELOPER

04/2021 to 05/2023

40DATA Seoul, Korea

• Innovated WMS and Accounting system by analyzing lag systems codes and 20+ customers new requirements

• Led 2 successful technical upgrade projects insufficient development schedule by providing effective development standard and mentoring 5 junior developers.

• Devised 50+ design documentation for each app, detailing operation aspects, functions, capabilities and features

1. SAJO Group : WMS and Account System Innovation Project : Apr 2021

– Sep 2021

2. Hana Bank : Compliance Support and Anti-money Laundering System : Oct 2021 – May 2022

3. KB Kookmin Bank : Asset Management System : Jun 2022 – Aug 2022 4. KERIS : 4 Generation NEIS (National Education Information System) : Sep 2022 – May 2023

STAFF JAVA-FULL STACK DEVELKPER

04/2014 to 02/2021

Arits Technology Seoul, Korea

• Collected and analyzed requirements and planed and managed detailed developing work plans to meet deadlines for 30 European and 7 South American subsidiaries' sites.

• Developed 40+ applications following Agile methodologies and provided technical direction and system architecture.

1. LG Electronics Brand Site (LG.com) : Apr 2014 – Jun 2020 2. Hyundai Elevator Customer Portal : Jul 2020 – Feb 2021 FULL-STACK JAVA DEVELOPER 01/2012 to 03/2014

40DATA Seoul, Korea

• Worked with 20+ software development and testing members in 6 team to design and develop robust solutions to meet client requirements for increasing +18% in functionality, scalability, and performance.

• Reviewed 6 project specifications and designed technology solutions that met or exceeded +11% performance expectations.

• Designed, coded, tested, debugged and documented 60+ programs using agile development practices and Provided guidance and mentored 6 less- experienced staff members.

1. Samsung Electronics Print Department : Jan 2012 – Sep 2012 2. Samsung Electronics PLM(CPCEX) System : Oct 2012 – Dec 2012 3. Samsung Electronics MCS(Marketing) System : Jan 2013 – Apr 2013 4. Samsung SDI SCM MP System : May 2013 – Sep 2013 5. Samsung Electronics Japan Shien Portal : Oct 2013 – Dec 2013 6. Samsung Multicampus Edu Support System : Jan 2014 – Mar 2014 SEINOR JAVA/J2EE DEVLOPER 02/2010 to 12/2011

PEOPLE&SOLUTION Seoul, Korea

• Designed and developed analytical data structures and corrected, modified and upgraded software to improve performance for JDA TMSs as a technical consultant.

• Investigated issues and defects to determine problem root cause and formulate corrective action recommendations

•

1. Samsung Electronics US Distribution Center (ADC) TMS : Mar 2010 – May 2010

2. Korea Express TMS : Jun 2010 – Aug 2010

3. LG Electronics Brazil TMS, Brazil : Sep 2010 – Jan 2011 4. Corporate Card Management Solution : Feb 2011 – Apr 2011 5. Tablet (Groupware System Tablet Version) : May 2011 – Jun 2011 6. Korea Telecom Asset Information System : Jun 2011 – Dec 2011 JAVA/J2EE DEVELOPER 08/2008 to 11/2009

AnyDATA China Shanghai, China

• Implemented 3 TCP/IP gateways and +20 components and functions for map services on location-based system .

• increasing +18% in functionality, scalability, and performance. 1. AnyTRACK (anytrack.com) Location-based System : Aug 2008 – Nov 2009

JUNIOR JAVA/J2EE DEVELOPER 07/2001 to 06/2005

EMFRONTIER Seoul, Korea

• Collaborated in team-based, Agile environment to accomplish objectives by deadlines

• Reviewed code and debugged errors to improve +20% performance 1. THE FARMERS JOURNAL : Distribution System : Jul 2001 - Sep 2001 2. THE KOREA HOUSING FINANCE CORPORATION : Payroll and Personnel management System : Sep 2001- Dec 2002

3. KOREAN AGRI-FISHERIES TRADE CORPORATION : Bidding System : Jan 2003 - Apr 2004

4. YUHAN CORPORATION : Manufacturing Information System : May 2004 - Feb 2005

EDUCATION

Bachelor of Software Engineering 02/2012

Seoul Digital University, Seoul, Korea

Bachelor of Philosophy 02/2001

Kyungnam University, Masan, Korea

CERTIFICATIONS

• Oracle 9i Database Administrator Course (2004)

• Sun Microsystems Certificate Java Programmer(2000)

• The Second Grade of Japanese Language Proficiency Test (2005)

Contact this candidate